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Antenna Calculator
Calculate dimensions and properties for various antenna types. Perfect for amateur radio operators and RF engineers.
Parameters
Frequency Input
Enter Frequency
Velocity Factor
0.95 Wire
0.66 Coax
1.00 Air
Antenna Category Filter
All
Wire
Vertical
Beam
Microwave
Satellite
Wideband
Antenna Types
9 available
Half-Wave Dipole
Wire
Easy
Classic wire antenna, omnidirectional pattern
Quarter-Wave Vertical
Vertical
Easy
Vertical monopole with ground plane
Yagi-Uda Array
Beam
Hard
High-gain directional beam antenna
Full-Wave Loop
Wire
Medium
Quiet receiving, bidirectional pattern
Microstrip Patch
Microwave
Hard
Compact planar antenna for microwave (uses standard microstrip patch approximations)
Helical Antenna
Satellite
Medium
Circular polarization for satellites (axial-mode approximations)
Discone Antenna
Wideband
Medium
Wideband VHF/UHF scanner antenna
Inverted-V Dipole
Wire
Easy
Compact wire antenna with sloping arms
Biquad Antenna
Microwave
Medium
Dual-square loop for WiFi and microwave
Results
Select an antenna type and enter frequency to calculate dimensions
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Antenna Calculator - Engineering Utilities